28930013

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{431}}^1$

素因数の和:704

約数の個数: 16

約数和(自身を含む): 34062336

約数和(自身を除く): 5132323

約数列:

[1, 7, 43, 223, 301, 431, 1561, 3017, 9589, 18533, 67123, 96113, 129731, 672791, 4132859, 28930013]

約数ペア:

[(1, 28930013), (7, 4132859), (43, 672791), (223, 129731), (301, 96113), (431, 67123), (1561, 18533), (3017, 9589)]